<template>
	<div class="wrapper">
		<swiper :options="swiperOption" v-if="showSwiper">
			<swiper-slide v-for="item of list" :key="item.id">
				<img class="swiper-img" :src="item.imgUrl" />
			</swiper-slide>
			<div class="swiper-pagination" slot="pagination"></div>
		</swiper>
	</div>
</template>

<script>
	export default {
		name: 'HomeSwiper',
//		子组件使用需要在此声明,数据data需要为一个函数data:function(){},这里使用了ES6语法省略
		props:{
			list:Array
		},
		data (){
			return {
				swiperOption: {
					pagination:'.swiper-pagination',
					loop:true
				}
			}
		},
		computed:{
			showSwiper () {
				return this.list.length
			}
		}
	}
</script>

<style lang="stylus" scoped>
	/*轮播图底部对应的小圆点*/
	.wrapper >>> .swiper-pagination-bullet
		background:#fff
	.wrapper
		overflow:hidden
		width:100%
		height:0
		padding-bottom:31.25%
		background-color:#ccc
	.swiper-img
		width:100%
</style>